[INFO] fetching crate silkworm_syn 0.1.0-dev.1...
[INFO] checking silkworm_syn-0.1.0-dev.1 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate silkworm_syn 0.1.0-dev.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate silkworm_syn 0.1.0-dev.1 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate silkworm_syn 0.1.0-dev.1
[INFO] finished tweaking crates.io crate silkworm_syn 0.1.0-dev.1
[INFO] tweaked toml for crates.io crate silkworm_syn 0.1.0-dev.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.3.8 (available: v0.8.11)
[INFO] [stderr]       Adding ansi_term v0.11.0 (available: v0.12.1)
[INFO] [stderr]       Adding arraydeque v0.4.5 (available: v0.5.1)
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[INFO] [stderr]       Adding ctor v0.1.26 (available: v0.2.8)
[INFO] [stderr]       Adding hashbrown v0.7.2 (available: v0.14.5)
[INFO] [stderr]       Adding pretty_assertions v0.6.1 (available: v1.4.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded silkworm_sourcemap v0.1.0-dev.1
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded silkworm_err v0.1.0-dev.1
[INFO] [stderr]   Downloaded hashbrown v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43caa0e9131b757f9e64e02078eaf51920793cec3e7a7c872dfdf64dab0c173c
[INFO] running `Command { std: "docker" "start" "-a" "43caa0e9131b757f9e64e02078eaf51920793cec3e7a7c872dfdf64dab0c173c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43caa0e9131b757f9e64e02078eaf51920793cec3e7a7c872dfdf64dab0c173c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43caa0e9131b757f9e64e02078eaf51920793cec3e7a7c872dfdf64dab0c173c", kill_on_drop: false }`
[INFO] [stdout] 43caa0e9131b757f9e64e02078eaf51920793cec3e7a7c872dfdf64dab0c173c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd2ce32601812d00d60f4b6db02773d43304c5ada90acce99f03ab2119fe6ce7
[INFO] running `Command { std: "docker" "start" "-a" "fd2ce32601812d00d60f4b6db02773d43304c5ada90acce99f03ab2119fe6ce7", kill_on_drop: false }`
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking silkworm_sourcemap v0.1.0-dev.1
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking unicode-xid v0.2.6
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking silkworm_err v0.1.0-dev.1
[INFO] [stderr]     Checking silkworm_syn v0.1.0-dev.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "fd2ce32601812d00d60f4b6db02773d43304c5ada90acce99f03ab2119fe6ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd2ce32601812d00d60f4b6db02773d43304c5ada90acce99f03ab2119fe6ce7", kill_on_drop: false }`
[INFO] [stdout] fd2ce32601812d00d60f4b6db02773d43304c5ada90acce99f03ab2119fe6ce7